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1288991-51-4

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1288991-51-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1288991-51-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,8,9,9 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1288991-51:
(9*1)+(8*2)+(7*8)+(6*8)+(5*9)+(4*9)+(3*1)+(2*5)+(1*1)=224
224 % 10 = 4
So 1288991-51-4 is a valid CAS Registry Number.

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